Jose Tabata extension potentially huge value for Pirates

Thanks to this deal, Tabata could be a Pirate until 2019. Yesterday when word first broke out that the Pirates were close to a deal that would extend OF Jose Tabata through his team control years, I felt a little skeptical. Jose Tabata had a very good rookie season for the Pirates as he posted a 2.1 WAR over 102 games at the age of 21. This season, he has taken a little step back, but is still at a 1.2 WAR after 72 games. However, what Tabata has done through his first 180 ML games has led me to believe the Pirates should lock him up for the long-term, at least at this juncture. But then we learned the terms of the deal. Tabata will receive a $1 million signing bonus and will see a pay raise for this season to $500,000 from his original $428,000. Next year, Tabata will make $750,000. In 2013, he will make $1 million. In those three seasons, Tabata would have made about $500,000 per year as the Pirates can essentially pay him whatever they want to. So the Pirates are giving up a lit...